from turtle import *
from random import *

pensize(2)
speed(0)
hideturtle()
liste_couleurs=["white","grey","red","orange","violet","purple","pink","yellow","green"]
r=300
penup()
goto(0,r)
pendown()
color(liste_couleurs[randint(0,len(liste_couleurs)-1)],"black")
begin_fill()
setheading(180)
circle(r)
end_fill()
penup()
home()
pendown()
r=r+20
while r>20:
    r=r-20
    for i in range(40):
        color(liste_couleurs[randint(0,len(liste_couleurs)-1)],liste_couleurs[randint(0,len(liste_couleurs)-1)])
        begin_fill()
        circle(r,60)
        left(120)
        circle(r,60)
        end_fill()
        left(70)
done()